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The range of wave propagation in which surface waves predominantly determine the propagation characteristics in free field conditions.

See SPB.

Factory inspection (Factory Acceptance Test).

Act on the Protection against Harmful Environmental Impacts Caused by Air Pollution, Noise, Vibrations, and Similar Phenomena (Federal Immission Control Act – BImSchG). It is intended to protect humans, wild and…

The publication by the competent authority of bodies within the meaning of § 26, of bodies within the meaning of a statutory regulation issued pursuant to this Act, or of experts within the meaning of § 29a,…

Protected areas under the Habitats Directive. FFH areas play a crucial role in preserving biodiversity and make a significant contribution to the protection of endangered species and habitats. The conservation and…

If significant adverse effects on a Natura 2000 site cannot be ruled out at the preliminary assessment stage, an in-depth assessment must be carried out to determine and evaluate whether the plan or project will…

An assessment to determine whether a plan or project is likely to cause significant adverse effects in a Natura 2000 site through its impact factors. If such adverse effects cannot be ruled out with sufficient…

A frequency analysis method based on the Fast Fourier Transform (FFT), which breaks down a signal into its individual frequency components and represents them as a spectrum.

Describes the area captured by a camera or lens.

Two-dimensional graphical representation of data and information.

A numerical method used to calculate the propagation of vibrations, taking into account detailed models, in order to assess the overall behaviour of a structure.

Depending on the design of an industrial building, a fire alarm system may be required by building codes. As part of the preparation of fire safety documentation and plans, we evaluate the design documents to ensure…

A fire compartment refers to a unit within or between buildings that is structurally separated for fire safety purposes. Fire compartments are separated by sufficient clearances or walls designed to meet fire safety…

Our fire protection experts assist clients in ensuring that buildings and structures are designed and constructed in compliance with the regulations. They prepare fire safety certificates, fire safety concepts and…

Fire resistance refers to the length of time a building component can withstand fire whilst its essential properties remain intact, in accordance with the uniform temperature time curve.

Fire safety is primarily aimed at preventing fires from starting, preventing the spread of fires and smoke, and protecting people and animals. While the protection of property is also a goal of fire safety, it is…

The fire safety certificate proves that the fire safety requirements under building codes have been met. The guidelines for preparing the certificate and the group of individuals authorized to prepare it vary by…

A fire safety concept meets the same requirements as a fire safety verification and thus serves to assess a project in terms of compliance with the fire safety requirements of building codes. The fire safety concept…

Fire safety plans are a visual representation of the fire safety requirements of a fire safety concept or fire safety certificate. They can be prepared in collaboration with our sister company, Müller-BBM Building…

A fire safety statement is a non-regulatory assessment of fire safety aspects outside the scope of a standard building code approval process. In consultation with the relevant authorities, it provides a simplified…

A fire-extinguishing system is used for structural fire protection. It operates automatically or semi-automatically and represents a high standard of fire protection measures.

Organisational fire safety essentially ensures the effectiveness of fire safety measures within the organisation. This includes maintenance and servicing, the signposting of escape and rescue routes, the appointment…

Fire-fighting water is required by the fire service to ensure adequate fire-fighting capabilities, taking into account the size and type of the building. The supply of fire-fighting water is usually provided via the…

Software embedded in a device’s hardware that controls its basic functions.

Noise generated by the flow of fluid or gases through pipes, ducts or fittings, as well as through flow machines (fans, compressors, pumps, etc.). 

The speed at which a liquid or gas flows.  

Subjective perception of the fluctuation intensity of a sound; unit: Vacil, slow amplitude modulations at approximately 4 Hz.

Description of the interaction between mechanical structures and surrounding fluids (air, water, etc.).

Fly ash is a fine, dust-like residue produced during the incineration of waste in a waste-to-energy plant and carried into the air by the hot flue gases.

Fogging refers to dark deposits found indoors, consisting mainly of semi-volatile organic compounds (SVOCs), which are analysed as part of a sampling process to rule out health risks – particularly those posed by…

The shadow cast calculations are based on the position of the sun – which varies according to location, day and time – and the technical data for the respective wind turbine type. The maximum possible astronomical…

Used in chipboards, for the preservation of paints, etc.

A ground surface where the propagation of vibrations is not affected by structures.

The number of oscillations per second, measured in hertz.

Analysis bandwidth in the human ear, similar to third-octave bands.

An operating condition in which the machine or plant is operated at its rated power (in power stations, this often corresponds to the highest noise emissions, excluding special operating conditions such as start-up…

DIN EN 14181 sets out the quality assurance requirements for automatic measurements of emissions into the air. Functional tests and calibrations play a central role in this standard.Functional test: This involves…

Measuring equipment used to monitor combustion conditions must be checked regularly for accuracy and reliability. This includes both regular functional testing (annually) and periodic calibration (every six years). …